Given That CaO(s) + H₂O(l) → Ca(OH)₂(s), ΔH°_rxn = -64

question 136

Multiple Choice

Given that CaO(s) + H₂O(l) → Ca(OH) ₂(s) , ΔH°_rxn = -64.8 kJ/mol, how many grams of CaO must react in order to liberate 525 kJ of heat?

• A) 6.92 g
• B) 56.1 g
• C) 454 g
• D) 606 g
• E) 3.40 × 10⁴ g

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